Uvite and Apophyllite KF Physical Properties

Uvite

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.142.33-2.37

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

{1011} Indistinct

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

Not Available4.5-5

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Uvite and Apophyllite KF Chemical Formula

While comparing Uvite and Apophyllite KF physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Uvite and Apophyllite KF chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Uvite and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Uvite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Uvite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.